Say you have written an article of 25 pages. It is pretty common that you submit a short version (12 pages) of your article to a conference and have the full version uploaded somewhere or attached as an electronic companion.
How to best manage these two versions? It is a very bad idea to have two files (say
intro_full.tex), since you have to reproduce changes.
What first came to mind is to surround paragraphs with an environment
This sounds very tedious.
Does anyone have a better suggestion?